Examples with DSAPublicKey java.security.interfaces.DSAPublicKey used on opensource projects

Example 11 with DSAPublicKey

use of java.security.interfaces.DSAPublicKey in project XobotOS by xamarin.

the class DSAKeyFactoryImpl method engineGetKeySpec.

/**
     * This method returns a specification for the supplied key.
     *
     * The specification will be returned in the form of an object of the type
     * specified by keySpec.
     *
     * @param key -
     *            either DSAPrivateKey or DSAPublicKey
     * @param keySpec -
     *            either DSAPrivateKeySpec.class or DSAPublicKeySpec.class
     *
     * @return either a DSAPrivateKeySpec or a DSAPublicKeySpec
     *
     * @throws InvalidKeySpecException
     *             if "keySpec" is not a specification for DSAPublicKey or
     *             DSAPrivateKey
     */
protected <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpec) throws InvalidKeySpecException {
    BigInteger p, q, g, x, y;
    if (key != null) {
        if (keySpec == null) {
            throw new NullPointerException("keySpec == null");
        }
        if (key instanceof DSAPrivateKey) {
            DSAPrivateKey privateKey = (DSAPrivateKey) key;
            if (keySpec.equals(DSAPrivateKeySpec.class)) {
                x = privateKey.getX();
                DSAParams params = privateKey.getParams();
                p = params.getP();
                q = params.getQ();
                g = params.getG();
                return (T) (new DSAPrivateKeySpec(x, p, q, g));
            }
            if (keySpec.equals(PKCS8EncodedKeySpec.class)) {
                return (T) (new PKCS8EncodedKeySpec(key.getEncoded()));
            }
            throw new InvalidKeySpecException("'keySpec' is neither DSAPrivateKeySpec nor PKCS8EncodedKeySpec");
        }
        if (key instanceof DSAPublicKey) {
            DSAPublicKey publicKey = (DSAPublicKey) key;
            if (keySpec.equals(DSAPublicKeySpec.class)) {
                y = publicKey.getY();
                DSAParams params = publicKey.getParams();
                p = params.getP();
                q = params.getQ();
                g = params.getG();
                return (T) (new DSAPublicKeySpec(y, p, q, g));
            }
            if (keySpec.equals(X509EncodedKeySpec.class)) {
                return (T) (new X509EncodedKeySpec(key.getEncoded()));
            }
            throw new InvalidKeySpecException("'keySpec' is neither DSAPublicKeySpec nor X509EncodedKeySpec");
        }
    }
    throw new InvalidKeySpecException("'key' is neither DSAPublicKey nor DSAPrivateKey");
}

Example 12 with DSAPublicKey

use of java.security.interfaces.DSAPublicKey in project XobotOS by xamarin.

the class DSAKeyFactoryImpl method engineTranslateKey.

/**
     * The method generates a DSAPublicKey object from the provided key.
     *
     * @param
     *    key - a DSAPublicKey object or DSAPrivateKey object.
     *
     * @return
     *    object of the same type as the "key" argument
     *
     * @throws InvalidKeyException
     *     if "key" is neither DSAPublicKey nor DSAPrivateKey
     */
protected Key engineTranslateKey(Key key) throws InvalidKeyException {
    if (key != null) {
        if (key instanceof DSAPrivateKey) {
            DSAPrivateKey privateKey = (DSAPrivateKey) key;
            DSAParams params = privateKey.getParams();
            try {
                return engineGeneratePrivate(new DSAPrivateKeySpec(privateKey.getX(), params.getP(), params.getQ(), params.getG()));
            } catch (InvalidKeySpecException e) {
                // Actually this exception shouldn't be thrown
                throw new InvalidKeyException("ATTENTION: InvalidKeySpecException: " + e);
            }
        }
        if (key instanceof DSAPublicKey) {
            DSAPublicKey publicKey = (DSAPublicKey) key;
            DSAParams params = publicKey.getParams();
            try {
                return engineGeneratePublic(new DSAPublicKeySpec(publicKey.getY(), params.getP(), params.getQ(), params.getG()));
            } catch (InvalidKeySpecException e) {
                // Actually this exception shouldn't be thrown
                throw new InvalidKeyException("ATTENTION: InvalidKeySpecException: " + e);
            }
        }
    }
    throw new InvalidKeyException("'key' is neither DSAPublicKey nor DSAPrivateKey");
}

Example 13 with DSAPublicKey

use of java.security.interfaces.DSAPublicKey in project XobotOS by xamarin.

the class CertPathValidatorUtilities method getNextWorkingKey.

/**
     * Return the next working key inheriting DSA parameters if necessary.
     * <p>
     * This methods inherits DSA parameters from the indexed certificate or
     * previous certificates in the certificate chain to the returned
     * <code>PublicKey</code>. The list is searched upwards, meaning the end
     * certificate is at position 0 and previous certificates are following.
     * </p>
     * <p>
     * If the indexed certificate does not contain a DSA key this method simply
     * returns the public key. If the DSA key already contains DSA parameters
     * the key is also only returned.
     * </p>
     * 
     * @param certs The certification path.
     * @param index The index of the certificate which contains the public key
     *            which should be extended with DSA parameters.
     * @return The public key of the certificate in list position
     *         <code>index</code> extended with DSA parameters if applicable.
     * @throws AnnotatedException if DSA parameters cannot be inherited.
     */
protected static PublicKey getNextWorkingKey(List certs, int index) throws CertPathValidatorException {
    Certificate cert = (Certificate) certs.get(index);
    PublicKey pubKey = cert.getPublicKey();
    if (!(pubKey instanceof DSAPublicKey)) {
        return pubKey;
    }
    DSAPublicKey dsaPubKey = (DSAPublicKey) pubKey;
    if (dsaPubKey.getParams() != null) {
        return dsaPubKey;
    }
    for (int i = index + 1; i < certs.size(); i++) {
        X509Certificate parentCert = (X509Certificate) certs.get(i);
        pubKey = parentCert.getPublicKey();
        if (!(pubKey instanceof DSAPublicKey)) {
            throw new CertPathValidatorException("DSA parameters cannot be inherited from previous certificate.");
        }
        DSAPublicKey prevDSAPubKey = (DSAPublicKey) pubKey;
        if (prevDSAPubKey.getParams() == null) {
            continue;
        }
        DSAParams dsaParams = prevDSAPubKey.getParams();
        DSAPublicKeySpec dsaPubKeySpec = new DSAPublicKeySpec(dsaPubKey.getY(), dsaParams.getP(), dsaParams.getQ(), dsaParams.getG());
        try {
            KeyFactory keyFactory = KeyFactory.getInstance("DSA", BouncyCastleProvider.PROVIDER_NAME);
            return keyFactory.generatePublic(dsaPubKeySpec);
        } catch (Exception exception) {
            throw new RuntimeException(exception.getMessage());
        }
    }
    throw new CertPathValidatorException("DSA parameters cannot be inherited from previous certificate.");
}

Example 14 with DSAPublicKey

use of java.security.interfaces.DSAPublicKey in project OpenAM by OpenRock.

the class LibSecurityTokenProvider method createKeyInfo.

/**
     * Returns the <code>KeyInfo</code> object as a Document Element.
     */
private Element createKeyInfo() throws SecurityTokenException {
    X509Certificate cert = getX509Certificate();
    Document doc = null;
    try {
        doc = XMLUtils.newDocument();
    } catch (Exception e) {
        debug.error("createKeyInfo: ", e);
        throw new SecurityTokenException(e.getMessage());
    }
    String keyNameTextString = null;
    String base64CertString = null;
    PublicKey pk = null;
    try {
        pk = cert.getPublicKey();
        keyNameTextString = cert.getSubjectDN().getName();
        base64CertString = Base64.encode(cert.getEncoded());
    } catch (Exception e) {
        debug.error("createKeyInfo: ", e);
        throw new SecurityTokenException(e.getMessage());
    }
    Element keyInfo = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, SAMLConstants.TAG_KEYINFO);
    keyInfo.setAttribute("xmlns", SAMLConstants.XMLSIG_NAMESPACE_URI);
    if ((keyInfoType != null) && (keyInfoType.equalsIgnoreCase("certificate"))) {
        //put Certificate in KeyInfo
        Element x509Data = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, SAMLConstants.TAG_X509DATA);
        Element x509Certificate = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, SAMLConstants.TAG_X509CERTIFICATE);
        Text certText = doc.createTextNode(base64CertString);
        x509Certificate.appendChild(certText);
        keyInfo.appendChild(x509Data).appendChild(x509Certificate);
    } else {
        //put public key in keyinfo
        Element keyName = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, SAMLConstants.TAG_KEYNAME);
        Text keyNameText = doc.createTextNode(keyNameTextString);
        Element keyvalue = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, SAMLConstants.TAG_KEYVALUE);
        if (pk.getAlgorithm().equals("DSA")) {
            DSAPublicKey dsakey = (DSAPublicKey) pk;
            DSAParams dsaParams = dsakey.getParams();
            BigInteger _p = dsaParams.getP();
            BigInteger _q = dsaParams.getQ();
            BigInteger _g = dsaParams.getG();
            BigInteger _y = dsakey.getY();
            Element DSAKeyValue = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "DSAKeyValue");
            Element p = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "P");
            Text value_p = doc.createTextNode(Base64.encode(_p.toByteArray()));
            p.appendChild(value_p);
            DSAKeyValue.appendChild(p);
            Element q = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "Q");
            Text value_q = doc.createTextNode(Base64.encode(_q.toByteArray()));
            q.appendChild(value_q);
            DSAKeyValue.appendChild(q);
            Element g = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "G");
            Text value_g = doc.createTextNode(Base64.encode(_g.toByteArray()));
            g.appendChild(value_g);
            DSAKeyValue.appendChild(g);
            Element y = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "Y");
            Text value_y = doc.createTextNode(Base64.encode(_y.toByteArray()));
            y.appendChild(value_y);
            DSAKeyValue.appendChild(y);
            keyvalue.appendChild(DSAKeyValue);
        } else {
            // It is RSA
            RSAPublicKey rsakey = (RSAPublicKey) pk;
            BigInteger exponent = rsakey.getPublicExponent();
            BigInteger modulus = rsakey.getModulus();
            Element RSAKeyValue = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "RSAKeyValue");
            Element modulusNode = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "Modulus");
            Element exponentNode = doc.createElementNS(SAMLConstants.XMLSIG_NAMESPACE_URI, "Exponent");
            RSAKeyValue.appendChild(modulusNode);
            RSAKeyValue.appendChild(exponentNode);
            Text modulusValue = doc.createTextNode(Base64.encode(modulus.toByteArray()));
            modulusNode.appendChild(modulusValue);
            Text exponentValue = doc.createTextNode(Base64.encode(exponent.toByteArray()));
            exponentNode.appendChild(exponentValue);
            keyvalue.appendChild(RSAKeyValue);
        }
        keyInfo.appendChild(keyName).appendChild(keyNameText);
        keyInfo.appendChild(keyvalue);
    }
    return keyInfo;
}

Example 15 with DSAPublicKey

use of java.security.interfaces.DSAPublicKey in project karaf by apache.

the class PublickeyLoginModule method getString.

private String getString(PublicKey key) throws FailedLoginException {
    try {
        if (key instanceof DSAPublicKey) {
            DSAPublicKey dsa = (DSAPublicKey) key;
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(baos);
            write(dos, "ssh-dss");
            write(dos, dsa.getParams().getP());
            write(dos, dsa.getParams().getQ());
            write(dos, dsa.getParams().getG());
            write(dos, dsa.getY());
            dos.close();
            return base64Encode(baos.toByteArray());
        } else if (key instanceof RSAKey) {
            RSAPublicKey rsa = (RSAPublicKey) key;
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(baos);
            write(dos, "ssh-rsa");
            write(dos, rsa.getPublicExponent());
            write(dos, rsa.getModulus());
            dos.close();
            return base64Encode(baos.toByteArray());
        } else {
            throw new FailedLoginException("Unsupported key type " + key.getClass().toString());
        }
    } catch (IOException e) {
        throw new FailedLoginException("Unable to check public key");
    }
}